What is Hydrogen Sulphide?

Hydrogen sulphide is a colourless, flammable gas with a “rotten egg” smell. At high levels, it is known to be harmful to health.

Where does hydrogen sulphide come from?

• It may occur naturally from rotting organic materials, farms and animal waste, dirty or standing water, swamps and wetlands
• It may also come from human activities such as:
  • Sewers and drains
  • Wastewater plants
  • Landfills and dumpsites
  • Pulp and paper factories
  • Industrial activities that can produce the gas include petroleum/natural gas drilling and refining

View the complete Rotten Egg Smell? Could be Hydrogen Sulphide (H2S) Pamphlet